new/
pH
RADIOMETER
of Copenhagen offers a laboratory type, direct reading pH Meter setting NEW standards of accuracy, reliability, stability and convenience, featuring: AC line operation—zero drift. · Ruggedized specially selected components and 10,000 hour military type tubes. · A radically new approach for special applications with provision for external recorders, temperature compensators, buffer controls, standby switches, and a variety of special control accessories. • Available with an integral scale expander accessory, changing the scale from 0-14 pH, to 1.4 full scale pH bands over entire range. · Reproducibility of 0.02 pH; or 0.002 pH with the scale expander. · Ultra convenient electrode holder, and a complete range of standard and specialized electrodes for every application.
pHM25
If you require complete reliability of service and measuring accuracy, you now can't afford to consider any other instrument. Also available as Model pHM27 with a built-in expanded range of 6.8 to 8.2 pH for use with Ultra Micro Blood pH electrode and accessories for acid-base measurement. Write for further details.
SOLD AND SERVICED IN U.S.A. BY
THE L O N D O N 3355 Edgecliff Terrace
pHM25 with Scale Expander
RADIOMETER
COMPANY CLEVELAND 1 1 , O H I O
72 Emdrupvej
COPENHAGEN, DENMARK
In C a n a d a : Factory representatives Bach-Simpson Limited; sold a n d serviced b y C a n a d i a n L a b o r a t o r y Supplies Limited
Circle No. 83 on Readers' Service Card 36 A
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ANALYTICAL CHEMISTRY
Circle No. 163 on Readers'Service Card
